Small brook (4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">small brook</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for rill that I've seen before include "Little stream" , "Brooklet" , "Burn" , "Small brook" , "Flow of water" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">small brook</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for runnel that I've seen before include "Rivulet" , "A small stream or brook" , "Small stream or gutter" , "Brook; gutter" .)